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v3.23.3

Income Taxes - Deferred Income Taxes (Details) - USD ($) $ in Millions | Sep. 30, 2023 | Sep. 30, 2022
--- | --- | ---
Deferred tax assets: |  |
Inventory costs | $ 67.8 | $ 74.0
Inventory impairments | 5.8 | 9.5
Warranty and construction defect costs | 281.2 | 239.5
Net operating loss carryforwards | 42.2 | 44.1
Tax credit carryforwards | 6.8 | 6.4
Incentive compensation plans | 88.0 | 84.7
Other | 7.0 | 12.7
Total deferred tax assets | 498.8 | 470.9
Valuation allowance | (14.8) | (17.9)
Total deferred tax assets, net of valuation allowance | 484.0 | 453.0
Deferred tax liabilities: |  |
Deferral of profit on home closings | 163.6 | 209.4
Depreciation of fixed assets | 46.3 | 30.5
Deferred Tax Liabilities, Deferral of Income | 23.4 | 18.5
Deferred Tax Liabilities, Undistributed Earnings of Subsidiary | 51.7 | 27.3
Other | 11.8 | 26.2
Total deferred tax liabilities | 296.8 | 311.9
Deferred income taxes, net | 187.2 | 141.1
Operating Loss Carryforwards [Line Items] |  |
Deferred Tax Assets, Operating Loss Carryforwards | 42.2 | $ 44.1
Internal Revenue Service (IRS) |  |
Deferred tax assets: |  |
Net operating loss carryforwards | 29.3 |
Operating Loss Carryforwards [Line Items] |  |
Deferred Tax Assets, Operating Loss Carryforwards | $ 29.3 |

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